CN115063021B - Method, system, equipment and medium for identifying influence of reservoir dam engineering on environment - Google Patents
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Abstract
The invention provides a method, a system, equipment and a medium for identifying the influence of reservoir dam engineering on the environment. The method for identifying the influence of reservoir dam engineering on the environment comprises the following steps: a target document library is received. And extracting key indexes for evaluating the influence of the reservoir dam engineering environment from the plurality of ecological function indexes. A first number of evidence-based questions associated with the key indicator are acquired. And determining whether each evidence-based problem has an evidence-based result affecting the environment, and obtaining a first number of evidence-based results of the key index. And determining the result of the key index on the environmental influence in the reservoir dam engineering based on the first number of evidence-based results. The method and the device have the advantages that the obtained identification result is more objective and scientific, and the comprehensive and systematic evaluation of the affected functions and indexes can be carried out more conveniently, so that the technical economy of the environmental impact evaluation can be improved.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering, in particular to a method, a system, equipment and a medium for identifying environmental influence of reservoir dam engineering.
Background
The construction and operation of the reservoir dam project influence the health of the river ecosystem to a certain extent, and whether the project is in a planning and design stage before the project construction, a construction stage in the project construction process or an operation stage after the project is put into production, the environmental influences of the reservoir dam project on different functions of the river ecosystem are required to be comprehensively and accurately identified, and environmental protection measures or influence slowing measures are provided accordingly.
In the related art, identification methods aiming at influence of reservoir dam engineering on environment are mainly divided into three types: the first category is to develop a method for identifying the overall macroscopic influence of the reservoir dam engineering in order to determine the functions and indexes of the river ecological system which are possibly influenced or are influenced, and evaluate the influence of the reservoir dam engineering environment based on the manual scoring result of relevant experts in the field. And secondly, carrying out a relatively comprehensive and systematic evaluation method on all river ecosystem functions and indexes which are possibly or are affected, and evaluating the influence of the reservoir dam engineering environment by using the file requirements such as relevant technical guidelines, guidelines and the like. Third, methods for relatively comprehensive, systematic evaluation of determined functions and metrics of the river ecosystem, which may or may not be affected, are developed for part of the primary impact.
Therefore, in the related art, when the environmental impact is identified aiming at the reservoir dam engineering, the method is mainly adopted for judging in a man-made qualitative mode, so that the obtained identification result has subjectivity and does not have unified standard, and the effectiveness of the environmental protection measures or the slow-down measures is influenced when the subsequent environmental protection measures or the slow-down measures are provided for the reservoir dam engineering based on the evaluation result.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects that the evaluation of the environmental influence of the reservoir dam engineering lacks objectivity and the final evaluation result is inaccurate in the prior art, so as to provide a method, a system, equipment and a medium for identifying the environmental influence of the reservoir dam engineering.
In a first aspect, the invention provides a method for identifying environmental impact of reservoir dam engineering, the method comprising: a target document library is received, the target document library comprising a plurality of ecological function indicators of the reservoir dam project having an effect on river ecological functions. And extracting key indexes for evaluating the influence of the reservoir dam engineering environment from the plurality of ecological function indexes. A first number of evidence-based questions associated with the key indicator are acquired. And determining whether each evidence-based problem has an evidence-based result affecting the environment, and obtaining a first number of evidence-based results of the key index. And determining the result of the key index on the environmental influence in the reservoir dam engineering based on the first number of evidence-based results.
In the method, the environmental impact of the key indexes in the reservoir dam engineering can be comprehensively evaluated according to the evidence-based results of the first number of evidence-based problems of the key indexes, and then the environmental impact results of the key indexes in the reservoir dam engineering are identified, so that the obtained identification results are more objective and scientific, and the comprehensive and systematic evaluation of the affected functions and indexes is facilitated, so that the technical economy of the environmental impact evaluation can be improved.
With reference to the first aspect, in a first embodiment of the first aspect, determining whether each evidence-based question has an evidence-based result that affects the environment, obtaining a first number of evidence-based results of the key indicator includes: and respectively identifying the problem content of each evidence-based problem through a pre-constructed ecological evidence framework. Traversing a plurality of evidence-based documents by adopting a cyclic analysis method to obtain document evidence corresponding to each evidence-based question according to the question content of each evidence-based question, wherein the document evidence is used for verifying whether the corresponding question content has an influence on the environment. From the literature evidence, it is determined whether each evidence-based question has an environmental impact on the evidence-based outcome.
With reference to the first aspect or the first embodiment of the first aspect, in a second embodiment of the first aspect, determining a result of the key indicator on the environmental impact in the reservoir dam engineering based on the first number of evidence-based results includes: and obtaining a second number of evidence-based results in the first number of evidence-based results according to the first number of evidence-based results. And determining a quantitative result of the key index on the environmental influence in the reservoir dam engineering according to the proportion between the second quantity and the first quantity.
With reference to the second embodiment of the first aspect, in a third embodiment of the first aspect, determining a quantitative result of the key indicator on the environmental impact in the reservoir dam engineering according to the ratio between the second number and the first number includes: if the ratio between the second quantity and the first quantity is greater than or equal to a specified ratio threshold, determining that the key index has serious influence on the quantitative result of the environmental influence in the reservoir dam engineering.
With reference to the second embodiment of the first aspect, in a fourth embodiment of the first aspect, at least one key evidence-based question for characterizing a key indicator is included in the first number of evidence-based questions.
With reference to the first aspect, in a fifth embodiment of the first aspect, the method further includes: based on the result of each key index on the environment in the reservoir dam engineering and the ecological function category corresponding to each key index, the key indexes in different ecological function categories are correlated through a preset ecological function network correlation model, and the interaction quantitative relation between each key index and other ecological function categories is obtained. The number of the key indexes is the third number, the third number corresponds to the ecological function category of the fourth number, and the ecological function categories corresponding to part of the key indexes are the same.
In the mode, the interaction quantitative relation between the ecological function category and the key index is established through the ecological function network association model, so that the possible influence of the key index under different ecological function categories on other ecological function categories can be clarified, and further the technical economy of identifying the reservoir dam engineering environment is improved.
With reference to the fifth embodiment of the first aspect, in a sixth embodiment of the first aspect, associating key indexes in different ecological function categories by a preset ecological function network association model to obtain an interaction quantitative relationship between each key index and other ecological function categories, including: and respectively determining the correlation relationship between each key index in the first ecological function category and each key index in the second ecological function category by using the fourth number of ecological function categories as network nodes according to the quantitative result of each key index on environmental impact in the reservoir dam engineering and through an ecological function network correlation model formed by a Bayesian network model, wherein the first ecological function category and the second ecological function category are any two different ecological function categories in the fourth number of ecological function categories. And obtaining interaction quantitative relations between each key index and other ecological function categories according to the correlation relation between each key index in the first ecological function category and each key index in the second ecological function category.
With reference to the sixth embodiment of the first aspect, in a seventh embodiment of the first aspect, the method further includes: the quantitative relationships of interactions between each key indicator and other physiological function categories are output for display.
With reference to the first aspect, in an eighth embodiment of the first aspect, extracting key indicators for evaluating environmental impact of a reservoir dam engineering from a plurality of ecological function indicators includes: and comparing the multiple ecological function indexes with a preset reservoir dam engineering environment influence evaluation index library, and respectively determining the standard value of each ecological function index. Based on the standard value of each ecological function index, extracting key indexes for evaluating the environmental influence of the reservoir dam engineering from a plurality of ecological function indexes.
In a second aspect, the present invention provides an identification system for environmental impact of reservoir dam engineering, comprising: the receiving module is used for receiving a target literature library, and the target literature library comprises a plurality of ecological function indexes which influence the river ecological functions by reservoir dam engineering. And the index screening module is used for extracting key indexes for evaluating the influence of the reservoir dam engineering environment from the plurality of ecological function indexes. And the acquisition module is used for acquiring a first number of evidence-based questions related to the key indexes. And the evidence-based module is used for determining whether each evidence-based problem has an environmental evidence-based result or not, and obtaining a first number of evidence-based results of the key indexes. And the identification module is used for determining the result of the key index on the environmental influence in the reservoir dam engineering based on the first number of evidence-based results.
With reference to the second aspect, in a first embodiment of the second aspect, the evidence-based module includes: and the problem identification module is used for respectively identifying the problem content of each evidence-based problem through a pre-constructed ecological evidence framework. The evidence-based sub-module is used for traversing a plurality of evidence-based documents by adopting a cyclic analysis method so as to obtain document evidence corresponding to each evidence-based problem according to the problem content of each evidence-based problem, wherein the document evidence is used for verifying whether the corresponding problem content has an influence on the environment. And the first determining module is used for determining whether each evidence-based problem has an effect on the environment according to the literature evidence.
With reference to the second aspect or the first embodiment of the second aspect, in a second embodiment of the second aspect, the identification module includes: the result statistics module is used for obtaining a second number of evidence-based results in the first number of evidence-based results according to the first number of evidence-based results. And the second determining module is used for determining the quantitative result of the key index on the environmental influence in the reservoir dam engineering according to the proportion between the second quantity and the first quantity.
With reference to the second embodiment of the second aspect, in a third embodiment of the second aspect, the second determining module includes: and the second determining submodule is used for determining that the quantitative result of the key index on the environmental influence in the reservoir dam engineering has serious influence if the ratio between the second number and the first number is larger than or equal to a specified ratio threshold value.
With reference to the second embodiment of the second aspect, in a fourth embodiment of the second aspect, at least one key evidence-based question for characterizing a key indicator is included in the first number of evidence-based questions.
With reference to the second aspect, in a fifth embodiment of the second aspect, the system includes: the ecological function network association module is used for carrying out mutual association on the key indexes in different ecological function categories through a preset ecological function network association model based on the result of each key index on the environment in the reservoir dam engineering and the ecological function category corresponding to each key index, so as to obtain the interaction quantitative relation between each key index and other ecological function categories. The number of the key indexes is the third number, the third number corresponds to the ecological function category of the fourth number, and the ecological function categories corresponding to part of the key indexes are the same.
With reference to the fifth embodiment of the second aspect, in a sixth embodiment of the second aspect, the ecological functional network association module includes: the third determining module is configured to determine, according to a quantitative result of each key indicator on environmental impact in the reservoir dam project, a correlation relationship between each key indicator in the first ecological function category and each key indicator in the second ecological function category by using the fourth number of ecological function categories as network nodes and using an ecological function network association model formed by a bayesian network model, where the first ecological function category and the second ecological function category are any two different ecological function categories in the fourth number of ecological function categories. And the ecological function network association sub-module is used for obtaining interaction quantitative relations between each key index and other ecological function categories according to the mutual association relations between each key index in the first ecological function category and each key index in the second ecological function category.
With reference to the sixth embodiment of the second aspect, in a seventh embodiment of the second aspect, the system further includes: and the evaluation result display module is used for outputting the interaction quantitative relation between each key index and other physiological function categories for display.
With reference to the second aspect, in an eighth embodiment of the second aspect, the index screening module includes: and the fourth determining module is used for comparing the multiple ecological function indexes with a preset reservoir dam engineering environment influence evaluation index library and respectively determining the standard value of each ecological function index. And the second determining module is used for extracting key indexes for evaluating the influence of the reservoir dam engineering environment from the plurality of ecological function indexes based on the standard value of each ecological function index.
According to a third aspect, the embodiments of the present invention further provide a computer device, comprising a memory and a processor, the memory and the processor being communicatively connected to each other, the memory having stored therein computer instructions, the processor executing the computer instructions to thereby perform the method for identifying the environmental impact of reservoir dam engineering according to any one of the first aspect and its alternative embodiments.
According to a fourth aspect, embodiments of the present invention also provide a computer readable storage medium having stored thereon computer instructions for causing a computer to perform the method of identifying the environmental impact of reservoir dam engineering of any one of the first aspect and its alternative embodiments.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flow chart of a method for identifying environmental impact of reservoir dam engineering according to an exemplary embodiment.
Fig. 2 is a flowchart of a method for obtaining a target document library according to an exemplary embodiment.
Fig. 3 is a flowchart of a method for obtaining key indicators according to an exemplary embodiment.
FIG. 4 is a flowchart of a method for identifying the impact of a key indicator on an environment in accordance with an exemplary embodiment.
FIG. 5 is a flow chart of another method of identifying environmental impact of reservoir dam engineering according to an exemplary embodiment.
Fig. 6 is a flow chart of a method of identifying environmental impact of a further reservoir dam project according to an exemplary embodiment.
FIG. 7 is an associative interaction diagram of an ecological functional category according to an exemplary embodiment.
Fig. 8 is a schematic diagram of a recognition result according to an exemplary proposal.
Fig. 9 is a schematic diagram of another recognition result according to an exemplary proposal.
Fig. 10 is a schematic diagram illustrating an impact recognition result of a key indicator according to an exemplary embodiment.
Fig. 11 is a diagram of a statistical pie chart of various spatial scales according to an exemplary proposal.
FIG. 12 is a schematic diagram of impact recognition results of another exemplary proposed key indicator.
Fig. 13 is another example proposed spatial scale statistical pie chart according to an example.
FIG. 14 is an associative interaction diagram of another category of ecological functions in accordance with an exemplary embodiment.
Fig. 15 is a block diagram illustrating an environmental impact identification system for reservoir dam engineering according to an exemplary embodiment.
Fig. 16 is a schematic diagram of a hardware structure of a computer device according to an exemplary embodiment.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the related art, the method for identifying the influence of reservoir dam engineering on the environment mainly comprises the following three types: the first category is to develop a method for identifying the overall macroscopic influence of the reservoir dam engineering in order to determine the functions and indexes of the river ecological system which are possibly influenced or are influenced, and evaluate the influence of the reservoir dam engineering environment based on the manual scoring result of relevant experts in the field. And secondly, carrying out a relatively comprehensive and systematic evaluation method on all river ecosystem functions and indexes which are possibly or are affected, and evaluating the influence of the reservoir dam engineering environment by using the file requirements such as relevant technical guidelines, guidelines and the like. Third, methods for relatively comprehensive, systematic evaluation of determined functions and metrics of the river ecosystem, which may or may not be affected, are developed for part of the primary impact.
Therefore, in the related art, when the environmental impact is identified aiming at the reservoir dam engineering, the judgment is mainly carried out in a man-made qualitative mode, so that the obtained identification result has subjectivity and does not have unified standards. Moreover, when the identification is performed in a manual mode, the obtained identification result is different from the actual result due to the knowledge limitation of individuals, so that the effectiveness of the environmental protection measures or the slowing down measures for the reservoir dam engineering is influenced.
In order to solve the above-mentioned problems, in the embodiments of the present application, an identification method for environmental impact of reservoir dam engineering is provided and used in a computer device, and it should be noted that an execution subject of the identification method may be an identification system for environmental impact of reservoir dam engineering, and the system may be implemented as part or all of the computer device by software, hardware or a combination of software and hardware, where the computer device may be a terminal, a client, or a server, and the server may be a server, or may be a server cluster formed by multiple servers. In the following method embodiments, the execution subject is a computer device.
The computer equipment in the embodiment is suitable for identifying the use scene of the reservoir dam engineering on the environmental influence. The method for identifying the environmental impact of the reservoir dam engineering provided by the invention can be used for extracting the key index for evaluating the environmental impact of the reservoir dam engineering from a plurality of ecological function indexes of the reservoir dam engineering, which have influence on river ecological functions, so as to comprehensively evaluate the environmental impact of the key index in the reservoir dam engineering according to the evidence-based results of a plurality of evidence-based problems related to the key index, thereby enabling the obtained identification result to have objectivity and scientificity, and being more beneficial to developing comprehensive and systematic evaluation of the influenced functions and indexes so as to improve the technical economy of the environmental impact evaluation.
Fig. 1 is a flow chart of a method for identifying environmental impact of reservoir dam engineering according to an exemplary embodiment. As shown in fig. 1, the method for identifying the influence of reservoir dam engineering on the environment includes the following steps S101 to S105.
In step S101, a target document library is received.
In an embodiment of the invention, the target document library comprises a plurality of ecological function indexes of which the reservoir dam engineering has an influence on river ecological functions. In one example, the sources of each target document in the target document library may include journal papers, research reports, policies, regulatory directives and the like related to the research of the influence of global reservoir dam engineering on river ecological functions. In one example, the richer the source of the target document, the more authoritative, and the more the key indexes obtained later are helpful for effectively evaluating the influence of the reservoir dam engineering environment.
In an implementation scenario, the process of obtaining the target document library may be as shown in fig. 2. Fig. 2 is a flowchart of a method for obtaining a target document library according to an exemplary embodiment. In the scientific website, engine search and academic website, a target document library is obtained by setting search keywords and limiting the time range (for example, 1980-2020). Among the multiple target documents in the target document library, there are scientific journal papers, related major scientific articles, scientific reports, etc. for explicitly discussing the influence of the river ecosystem. Technological journal paper cover: water resources, environment, ecology, ecological hydrology, topography, ecological water conservancy, sustainable development and energy related topics.
In step S102, key indexes for evaluating the environmental impact of the reservoir dam engineering are extracted from the plurality of ecological function indexes.
In the embodiment of the invention, a plurality of target documents in a target document library are analyzed by adopting a document metering analysis method, key indexes for evaluating the influence of the reservoir dam engineering environment are extracted from a plurality of ecological function indexes recorded in the plurality of target documents, and the influence of the reservoir dam engineering environment is effectively, reasonably and scientifically identified through the obtained key indexes.
In one example, the number of the key indexes is a third number, and the third number corresponds to the fourth number of ecological function categories, and the ecological function categories corresponding to part of the key indexes are the same. Therefore, in order to simplify the recognition process and improve the recognition efficiency, the third number of key indexes are integrated and arranged according to the fourth number of ecological function categories, and the spatial scale of each key index is defined, so that when the influence of each key index on the environment is subsequently recognized one by one, the recognition can be performed according to the ecological function categories.
In one embodiment, the key indicators may be obtained by comparing a plurality of ecological function indicators with a preset reservoir dam engineering environmental impact evaluation indicator library. The reservoir dam engineering environment influence evaluation index library comprises relevant ecological function indexes of the influence of the global reservoir dam engineering on river ecological functions and standard values of each ecological function. Based on the standard value of each ecological function index, a literature metering analysis method is adopted to extract key indexes for evaluating the environmental influence of the reservoir dam engineering from a plurality of ecological function indexes.
In an implementation scenario, the process of extracting the key indicator may be as shown in fig. 3. Fig. 3 is a flowchart of a method for obtaining key indicators according to an exemplary embodiment. Classifying the ecological function indexes according to the fourth number of 6 ecological function categories, covering different spatial scales such as the river basin, the upstream, the reservoir area, the downstream and the like, and further obtaining the third number of 52 key indexes. In one example, the third number of key indicators may be integrated and arranged according to the fourth number of ecological function categories in a table format, and the obtained results may be shown in table 1.
TABLE 1
In step S103, a first number of evidence-based questions associated with the key indicators are acquired.
In the embodiment of the invention, in order to fully verify the influence of the key index on the environment in the reservoir dam engineering, the first number of evidence-based questions related to the key index are acquired, and the key index is comprehensively evaluated through the evidence-based results of the evidence-based questions, so that the obtained identification result is more scientific and objective. Wherein the first number is the total number of evidence-based questions related to the key indicators, and the first numbers corresponding to different key indicators may be different. In one example, the first number of evidence-based questions includes at least one key evidence-based question that characterizes a key indicator. In another example, to fully characterize the ecological functional index information, the first number is 5 or more.
In one embodiment, a plurality of reservoir dam engineering environment influence evidence-based problem lists as shown in Table 2 may be pre-established to obtain evidence-based problems associated with key indicators. Among these, for problems related to biodiversity, specific biota groups such as fish, amphibians, birds, mammals, reptiles, crustaceans, bivalve, insects, plants, etc. can be further subdivided.
TABLE 2
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In step S104, it is determined whether each evidence-based question has an environmental evidence-based result, and a first number of evidence-based results of the key index are obtained.
In the embodiment of the invention, whether each evidence-based problem has an environmental evidence-based result or not is determined respectively, and the evidence-based result of each evidence-based problem is obtained. Wherein, the evidence-based result may include: yes, no, or indeterminate.
In one embodiment, the problem content of each evidence-based problem may be identified separately by a pre-built ecological evidence framework. Traversing a plurality of evidence-based documents by adopting a cyclic analysis method to obtain document evidence corresponding to each evidence-based question according to the question content of each evidence-based question, wherein the document evidence corresponds to each evidence-based question. Literature evidence is used to verify whether the corresponding problem content has an impact on the environment. From the literature evidence, it is determined whether each evidence-based question has an environmental impact on the evidence-based outcome.
In step S105, the results of the key indicators on the environmental impact in the reservoir dam project are determined based on the first number of evidence-based results.
In the embodiment of the invention, the result of the influence of the key index on the environment in the reservoir dam engineering is determined according to the number of evidence-based results in the first number of evidence-based results. For example: the greater the number of yes in the first number of evidence-based results, the more serious the environmental impact of the key indicator in the reservoir dam engineering is characterized. The smaller the number of yes in the first number of evidence-based results, the less environmentally friendly the key indicator is characterized in the reservoir dam engineering.
In an embodiment, according to the first number of evidence-based results, a second number of evidence-based results, which are positive, is obtained, and further, according to the ratio between the second number and the first number, a quantitative result of the key index on the environmental impact in the reservoir dam engineering is determined. In another embodiment, if the ratio between the second quantity and the first quantity is greater than or equal to a specified ratio threshold, determining that the key indicator has a severe impact on the quantitative result of the environmental impact in the reservoir dam project.
According to the embodiment, the comprehensive evaluation of the environmental impact of the key indexes in the reservoir dam engineering can be performed according to the evidence-based results of the first number of evidence-based problems of the key indexes, and the environmental impact results of the key indexes in the reservoir dam engineering are further identified, so that the obtained identification results are more objective and scientific, the comprehensive and systematic evaluation of the affected ecological function system and the key indexes is facilitated, and the technical economy of the environmental impact evaluation can be improved.
In one implementation scenario, the process of identifying the environmental impact of a key indicator in reservoir dam engineering may be as shown in FIG. 4. FIG. 4 is a flowchart of a method for identifying the impact of a key indicator on an environment in accordance with an exemplary embodiment. And respectively identifying the problem content of each evidence-based problem through a pre-constructed ecological evidence framework. The identified problem content is refined and simplified by developing a conceptual model. The hypothesized relationship of the impact is determined for each evidence-based problem. Traversing a plurality of evidence-based documents by adopting a cyclic analysis method, and obtaining document evidence corresponding to each evidence-based problem. And evaluating the quantitative result (influence degree) of the key index corresponding to the evidence-based problem on the environmental influence according to the ecological function category corresponding to the evidence-based problem and the weight of the evidence-based problem. In one example, to improve accuracy, the hypothesized relationships are further examined to determine if the hypothesized relationships originally determined for each evidence-based problem are correct. If the partial assumption relation is an error relation, the concept model is detected, and the identified problem content is extracted and simplified again. In another example, if it is found that a part of evidence-based questions cannot acquire corresponding document evidence during the process of acquiring the corresponding document evidence of each evidence-based question, the concept model is detected, and the content of the identified questions is refined and simplified again.
In an embodiment, the result of the key index on the environment in the reservoir dam engineering can be output and displayed, so that the identification result is visually displayed, and further, the user can directly determine the influence of the key index on the environment in the reservoir dam engineering according to the output result. For example: and drawing the influence degrees of different physiological function categories and different key indexes into a spider graph, a histogram and a pie chart.
FIG. 5 is a flow chart of another method of identifying environmental impact of reservoir dam engineering according to an exemplary embodiment. As shown in fig. 5, the method for identifying the environmental impact of reservoir dam engineering includes the following steps.
In step S501, a target document library is received.
In step S502, key indexes for evaluating the environmental impact of the reservoir dam engineering are extracted from the plurality of ecological function indexes.
In step S503, a first number of evidence-based questions associated with the key indicators are acquired.
In step S504, it is determined whether each evidence-based question has an environmental evidence-based result, and a first number of evidence-based results of the key index are obtained.
In step S505, the results of the key indicators on the environmental impact in the reservoir dam project are determined based on the first number of evidence-based results.
In step S506, based on the result of each key index on the environmental impact in the reservoir dam engineering and the ecological function category corresponding to each key index, the key indexes in different ecological function categories are correlated through a preset ecological function network correlation model, so as to obtain the interaction quantitative relation between each key index and other ecological function categories.
In the embodiment of the invention, the number of the key indexes is the third number, and the third number corresponds to the ecological function category of the fourth number, and the ecological function categories corresponding to part of the key indexes are the same. In order to determine the interaction quantitative relation between each ecological function class and the key index in the river ecological system under the influence of the reservoir dam engineering, the key indexes in different ecological function classes are associated with each other through a preset ecological function network association model based on the result of each key index on the environment influence in the reservoir dam engineering and the ecological function class corresponding to each key index, so that the interaction quantitative relation between each key index and other ecological function classes is obtained.
In an embodiment, the fourth number of ecological function categories are used as network nodes, and according to the quantitative result of each key index on environmental impact in the reservoir dam engineering, the correlation relationship between each key index in the first ecological function category and each key index in the second ecological function category is respectively determined through an ecological function network correlation model formed by a bayesian network model. The first ecological function category and the second ecological function category are any two different ecological function categories in the fourth number of ecological function categories. And obtaining interaction quantitative relations between each key index and other ecological function categories according to the correlation relation between each key index in the first ecological function category and each key index in the second ecological function category. Specifically, when the interaction quantitative relationship between the ecological function category and the key index is established through the ecological function network association model formed by the Bayesian network model, each ecological function category can be used as a node of the network, and the interaction relationship between the ecological function category and the key index is used as a directed edge of the network, so that the interaction quantitative relationship between different ecological function categories and the key index is established. The network edge direction can be determined according to the quantitative result of the key index on the environmental impact in the reservoir dam engineering, namely, the ratio between the second number and the first number in the evidence-based result of the first number of the key index is used as the network edge direction for expressing the strength of the relationship between the ecological function class and the key index. The bayesian network model can be expressed by the following formula:
Taking the example of determining the association relationship between the associated ecological function categories, p (I x |I y ) Representing ecological function class I x And ecological function class I y Is in the ecological function class I y Ecological function class I when affected x Probability of being affected. H is a hypothetical relationship, represented by binary values 0 and 1。p(I x ) And p (I) y ) Respectively is I x And I y The ecological function class indicator questions answer the "yes" scale. p (-I) y ) Is I y Unaffected probability, p (I x |～I y ) Is when I y I when unaffected x Probability of being affected. Assuming a certain ecological function class I y It is possible not to be affected by the development of hydropower, i.e. at I y When all questions of the key index of the ecological function class answer to be yes, I y The ecological function class is not affected yet, considering p (-I) y ) The minimum value is set to 0.2, if 1-p (I y ) P (-I) is less than or equal to 0.2 y ) =0.2, otherwise p (-I) y )＝1-p(I y ). Taking the relationship between the key indexes as an example, I x And I y Respectively represent key indexes under different ecological function categories.
Through the embodiment, the interaction quantitative relation between the ecological function category and the key index is established through the ecological function network association model, so that the possible influence of the key index under different ecological function categories on other ecological function categories can be clarified, and further the technical economy of identifying the reservoir dam engineering environment is improved.
Fig. 6 is a flow chart of a method of identifying environmental impact of a further reservoir dam project according to an exemplary embodiment. As shown in fig. 6, the method for identifying the environmental impact of reservoir dam engineering includes the following steps.
In step S601, a target document library is received.
In step S602, key indexes for evaluating the environmental impact of the reservoir dam engineering are extracted from the plurality of ecological function indexes.
In step S603, a first number of evidence-based questions associated with the key indicators are acquired.
In step S604, it is determined whether each evidence-based question has an environmental evidence-based result, and a first number of evidence-based results of the key index are obtained.
In step S605, the results of the key indicators on the environmental impact in the reservoir dam project are determined based on the first number of evidence-based results.
In step S606, based on the result of each key index on the environmental impact in the reservoir dam engineering and the ecological function category corresponding to each key index, the key indexes in different ecological function categories are correlated through a preset ecological function network correlation model, so as to obtain the interaction quantitative relation between each key index and other ecological function categories.
In step S607, the quantitative relationship of the interactions between each key index and the other physiological function categories is output for display.
In the embodiment of the invention, the visualization can be realized through programming by the graphical toolkits iggraph and RCircos in the R programming environment, so that the interaction quantitative relationship of different ecological function categories is shown in a directed acyclic graph (figure 7). Wherein fig. 7 is an associative interaction diagram of an ecological functional category according to an exemplary embodiment. For convenience of presentation, taking the fourth number of ecological function categories of 5 as an example, key indexes in 5 different ecological function categories are correlated. In order to distinguish each ecological function category, 5 different ecological function categories are respectively represented by ecological function 1, ecological function 2, ecological function 3, ecological function 4 and ecological function 5. It should be noted that the directions of the arrows in the drawings are only used for illustration, and may be adjusted according to actual requirements, and are not limited in the present invention. And displaying interaction quantitative relations of different physiological function types and different key indexes by using a Circos graph.
Through the embodiment, the quantitative relationship of the interaction between the ecological function category and the key index is output and displayed, so that a user can quickly and directly know the representation conditions of different ecological function categories and different key indexes on environmental influence in reservoir dam engineering, and further, the comprehensive and systematic evaluation of the affected ecological function category and key index is facilitated, and the technical economy of environmental influence evaluation is improved.
In an implementation scenario, taking a certain reservoir dam project as an example, when the method for identifying the environmental impact of the reservoir dam project is adopted to identify the environmental impact of the reservoir dam project, a third number (52) of key indexes for evaluating the environmental impact of the reservoir dam project are obtained based on a target document library. Wherein, the 52 key indexes belong to a fourth number (6) of ecological function categories. The 6 ecological function categories respectively include: hydrologic situation, water environment, topography, connectivity, biodiversity and landscape pattern.
And respectively acquiring a first number of evidence-based questions of each key index, obtaining a evidence-based question list of the reservoir dam engineering environment influence as shown in table 3, traversing a plurality of evidence-based documents by adopting a cyclic analysis method, and determining the evidence-based result of each evidence-based question.
TABLE 3 Table 3
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Based on the evidence-based results of the first number of evidence-based questions of each key index, quantitatively identifying the environmental shadow of each key index in a certain reservoir dam project, characterizing the quantitative result (as shown in Table 4) which is generated by the certain reservoir dam project on the basis of the proportion that the evidence-based result is "yes", and outputting and displaying the quantitative result.
TABLE 4 Table 4
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Based on the result of each key index on the environmental influence in the reservoir dam engineering and the ecological function category corresponding to each key index, establishing an interaction quantitative relation between ecological function categories through an ecological function network association model formed by a Bayesian network model to obtain the identification result of the influence of a certain reservoir dam engineering on different ecological function categories in a river ecological system, as shown in fig. 8. Fig. 8 is a schematic diagram of a recognition result according to an exemplary proposal. As can be seen from fig. 8, the degrees of influence on different ecological function types are sequentially biodiversity, water environment, connectivity, landscapes, topography and hydrologic situation.
The evaluation result of the influence of a certain reservoir dam engineering on different key indexes of a river ecological system is shown in fig. 9. Fig. 9 is a schematic diagram of another recognition result according to an exemplary proposal. As can be seen from fig. 9, a certain reservoir dam engineering has an influence on most key indexes of biodiversity function. The influence on key indexes of different water environment functions is greatly different, for example, the influence on nutrient salt, primary productivity, key elements and the like is more obvious; the method has a certain influence on each key index of the connectivity function, and particularly has the most obvious influence on the degree of fracture of the river network; the influence on hydrologic situation functions is small; the influence of the landscape function is mainly key indexes such as land utilization change, inundation of a protection area, blocking and the like; the influence on the functions of the topography and the relief is mainly reflected in key indexes such as the relief characteristics of the watershed, the characteristics of the substrate and the like.
The evaluation result of the influence of a certain reservoir dam engineering on the key indexes of different spatial scales of the river ecosystem can be shown as figure 10. Fig. 10 is a schematic diagram illustrating an impact recognition result of a key indicator according to an exemplary embodiment. Statistical classification of the individual key results based on spatial scale yields fig. 11, fig. 11 is a statistical pie chart of individual spatial scales according to an exemplary proposal. As shown in fig. 10, the key indexes of different spatial scales of the river ecosystem are affected by a certain reservoir dam project with a certain difference, and the key indexes have the greatest influence on the river basin and the project. Aiming at the watershed, the functional influence on connectivity, biodiversity, water environment, topography, hydrologic situation and the like is obvious, and the influence on the vision function is small. Wherein, connectivity function aspects are mainly reflected in influences on river basin crushing degree, fish passing facilities, river basin communication characteristics and the like; the functional aspects of biodiversity are mainly characterized by influences on species occurrence probability, genetic characteristics, behavioral characteristics and the like; the water environment function is mainly affected by macromolecular pollutants, nutrient salts and the like; the aspects of topography and hydrologic situation function are mainly reflected in the influence on the characteristics of the river basin. Aiming at engineering aspects, the functional influence is remarkable in the aspects of hydrologic situation, landscape, biodiversity, water environment and the like. The hydrologic situation function aspect mainly reflects the influences of upstream and downstream hydrologic changes, reservoir characteristics and the like; the aspect of landscape function is mainly reflected in the influence of influence ranges, protection areas and the like; the functional aspects of biological diversity are mainly reflected in the influences of population characteristics, propagation growth characteristics, species diversity and the like; the water environment is mainly influenced by dissolved gas, dissolved oxygen and the like. Aiming at downstream aspects, the functional influence is remarkable in aspects of topography, biodiversity, water environment and the like. The topography and topography function aspects are mainly reflected in the influence of river channel characteristics, river flood beach characteristics and the like; the water environment function is mainly reflected in the influences of water temperature, suspended matters, key elements and the like; the functional aspects of the biodiversity are mainly reflected in the influences of species diversity, habitat, nutritional structure, primary productivity and the like. Aiming at the aspects of reservoir areas, the functions of the water environment, landscape, hydrologic situation and the like are affected to a certain extent. Wherein, the water environment function aspect is mainly reflected in the influence of buffer capacity, greenhouse gas emission and the like; the aspect of landscape function is mainly characterized by the influence of land utilization, reservoir inundation and the like; the hydrologic aspect of the situation is mainly reflected in the influence of reservoir characteristics, upstream and downstream hydrologic changes and the like.
The evaluation result of the influence of the key indexes of a certain reservoir dam engineering on different biological groups of the river ecological system can be shown in fig. 12. FIG. 12 is a schematic diagram of impact recognition results of another exemplary proposed key indicator. Statistical classification of individual key results based on biological group functional categories results in fig. 13, fig. 13 is another statistical pie chart of individual spatial scales according to an exemplary proposal. As shown in fig. 12, the degree of influence of a certain reservoir dam engineering on key indexes of different biological group function categories of a river ecosystem is in turn fish, mammal, reptile, bird, insect and the like.
The quantitative relationship of the interaction of different ecological function types of the river ecosystem under the influence of a certain reservoir dam engineering is shown in fig. 14. FIG. 14 is an associative interaction diagram of another category of ecological functions in accordance with an exemplary embodiment. The results indicate that the interactions between biodiversity and the aqueous environment, biodiversity and connectivity are significant.
The result of interaction quantitative relation of different key indexes of a river ecological system under the influence of a dam project of a certain reservoir shows that the interaction relation between most key indexes and other key indexes is weaker, and in the interaction relation of different key indexes of the same ecological function class, the interaction relation of several key indexes of F3, F2, F7, F6 and F51 in the biological diversity function is obvious, so that important consideration is needed in the evaluation process. In the interaction relation of key indexes of different ecological function types, the interaction of F3, F2, F7, F6 and F51 in the biodiversity function and F48 in the water environment function is obvious; the interaction between F22 in the land utilization function, F48 in the water environment function and F13 in the connectivity function is remarkable, and important consideration is needed in the evaluation process.
Through the embodiment, the rapid identification and evaluation of the influence of the reservoir dam engineering environment can be realized, and the identification technical economy is improved. And the quantitative representation of the influence of the reservoir dam engineering on the river ecosystem function index and the quantitative representation of the interaction relation of the river ecosystem function and the index under the influence of the reservoir dam engineering are facilitated.
Based on the same inventive concept, the invention also provides an identification system for the influence of reservoir dam engineering on the environment.
Fig. 15 is a block diagram illustrating an environmental impact identification system for reservoir dam engineering according to an exemplary embodiment. As shown in fig. 15, the system for identifying the environmental impact of reservoir dam engineering includes a receiving module 1501, an index screening module 1502, an obtaining module 1503, a evidence-based module 1504 and an identifying module 1505.
A receiving module 1501 for receiving a target document library including a plurality of ecological function indicators of the reservoir dam project having an effect on river ecological functions;
an index screening module 1502, configured to extract key indexes for evaluating environmental impact of a reservoir dam engineering from a plurality of ecological function indexes;
an obtaining module 1503, configured to obtain a first number of evidence-based questions related to the key indicator;
A evidence-based module 1504 for determining whether each evidence-based question has an environmental evidence-based result, and obtaining a first number of evidence-based results of the key indicator;
the identification module 1505 is configured to determine a result of the key indicator on the environmental impact in the reservoir dam engineering based on the first number of evidence-based results.
In one embodiment, the evidence-based module 1504 includes: and the problem identification module is used for respectively identifying the problem content of each evidence-based problem through a pre-constructed ecological evidence framework. The evidence-based sub-module is used for traversing a plurality of evidence-based documents by adopting a cyclic analysis method so as to obtain document evidence corresponding to each evidence-based problem according to the problem content of each evidence-based problem, wherein the document evidence is used for verifying whether the corresponding problem content has an influence on the environment. And the first determining module is used for determining whether each evidence-based problem has an effect on the environment according to the literature evidence.
In another embodiment, the identification module 1505 includes: the result statistics module is used for obtaining a second number of evidence-based results in the first number of evidence-based results according to the first number of evidence-based results. And the second determining module is used for determining the quantitative result of the key index on the environmental influence in the reservoir dam engineering according to the proportion between the second quantity and the first quantity.
In yet another embodiment, the second determination module includes: and the second determining submodule is used for determining that the quantitative result of the key index on the environmental influence in the reservoir dam engineering has serious influence if the ratio between the second number and the first number is larger than or equal to a specified ratio threshold value.
In yet another embodiment, the first number of evidence-based questions includes at least one key evidence-based question that characterizes a key indicator.
In yet another embodiment, a system includes: the ecological function network association module is used for carrying out mutual association on the key indexes in different ecological function categories through a preset ecological function network association model based on the result of each key index on the environment in the reservoir dam engineering and the ecological function category corresponding to each key index, so as to obtain the interaction quantitative relation between each key index and other ecological function categories. The number of the key indexes is the third number, the third number corresponds to the ecological function category of the fourth number, and the ecological function categories corresponding to part of the key indexes are the same.
In yet another embodiment, the ecological functional network association module includes: the third determining module is configured to determine, according to a quantitative result of each key indicator on environmental impact in the reservoir dam project, a correlation relationship between each key indicator in the first ecological function category and each key indicator in the second ecological function category by using the fourth number of ecological function categories as network nodes and using an ecological function network association model formed by a bayesian network model, where the first ecological function category and the second ecological function category are any two different ecological function categories in the fourth number of ecological function categories. And the ecological function network association sub-module is used for obtaining interaction quantitative relations between each key index and other ecological function categories according to the mutual association relations between each key index in the first ecological function category and each key index in the second ecological function category.
In yet another embodiment, the system further comprises: and the evaluation result display module is used for outputting the interaction quantitative relation between each key index and other physiological function categories for display.
In yet another embodiment, the index screening module 1502 includes: and the fourth determining module is used for comparing the multiple ecological function indexes with a preset reservoir dam engineering environment influence evaluation index library and respectively determining the standard value of each ecological function index. And the second determining module is used for extracting key indexes for evaluating the influence of the reservoir dam engineering environment from the plurality of ecological function indexes based on the standard value of each ecological function index.
The specific limitation of the identification system of the reservoir dam engineering on the environmental impact can be referred to the limitation of the identification method of the reservoir dam engineering on the environmental impact hereinabove, and the description thereof is omitted herein. The various modules described above may be implemented in whole or in part by software, hardware, or a combination thereof. The above modules may be embedded in hardware or may be independent of a processor in the computer device, or may be stored in software in a memory in the computer device, so that the processor may call and execute operations corresponding to the above modules.
Fig. 16 is a schematic diagram of a hardware structure of a computer device according to an exemplary embodiment. As shown in fig. 16, the device includes one or more processors 1610 and a memory 1620, where the memory 1620 includes persistent memory, volatile memory, and a hard disk, one processor 1610 being illustrated in fig. 16. The apparatus may further include: an input device 1630 and an output device 1640.
Processor 1610, memory 1620, input device 1630, and output device 1640 may be connected by a bus or otherwise, for example in fig. 16.
Processor 1610 may be a central processing unit (Central Processing Unit, CPU). Processor 1610 may also be a chip of another general purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a Field programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic device, a discrete gate or transistor logic device, a discrete hardware component, or a combination thereof. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 1620 is a non-transitory computer readable storage medium, including persistent memory, volatile memory, and hard disk, and may be used to store non-transitory software programs, non-transitory computer executable programs, and modules, such as program instructions/modules corresponding to the service management method in the embodiments of the present application. Processor 1610 executes various functional applications of the server and data processing by running non-transitory software programs, instructions, and modules stored in memory 1620, i.e., implementing any of the reservoir dam engineering methods described above for identifying environmental impact.
The memory 1620 may include a storage program area that may store an operating system, at least one application program required for a function, and a storage data area; the storage data area may store data, etc., as needed, used as desired. In addition, memory 1620 may include high-speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, memory 1620 optionally includes memory remotely located relative to processor 1610, which may be connected to the data processing device via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input device 1630 may receive input numeric or character information and generate key signal inputs related to user settings and function control. The output device 1640 may include a display device such as a display screen. One or more modules are stored in the memory 1620 that, when executed by the one or more processors 1810, perform the methods illustrated in fig. 1-14.
The product can execute the method provided by the embodiment of the invention, and has the corresponding functional modules and beneficial effects of the execution method. Technical details which are not described in detail in the present embodiment can be found in the embodiments shown in fig. 1 to 14.
The embodiment of the invention also provides a non-transitory computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions can execute the authentication method in any of the method embodiments. The storage medium may be a magnetic Disk, an optical Disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a Flash Memory (Flash Memory), a Hard Disk (HDD), or a Solid State Drive (SSD); the storage medium may also comprise a combination of memories of the kind described above.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (16)
1. A method of identifying environmental impact of reservoir dam engineering, the method comprising:
receiving a target document library, wherein the target document library comprises a plurality of ecological function indexes which influence river ecological functions of reservoir dam engineering;
extracting key indexes for evaluating the environmental influence of the reservoir dam engineering from the plurality of ecological function indexes;
acquiring a first number of evidence-based questions associated with the key indicator;
determining whether each evidence-based problem has an evidence-based result affecting the environment or not, and obtaining a first number of evidence-based results of the key index;
determining the result of the key index on the environmental influence in the reservoir dam engineering based on the first number of evidence-based results;
Based on the result of each key index on the environment in the reservoir dam engineering and the ecological function category corresponding to each key index, the key indexes in different ecological function categories are correlated through a preset ecological function network correlation model, and the interaction quantitative relation between each key index and other ecological function categories is obtained;
the number of the key indexes is a third number, the third number corresponds to the ecological function category of the fourth number, and the ecological function categories corresponding to part of the key indexes are the same;
the method for correlating key indexes in different ecological function categories through a preset ecological function network correlation model to obtain interaction quantitative relations between each key index and other ecological function categories comprises the following steps: taking the fourth number of ecological function categories as network nodes, and respectively determining the correlation relationship between each key index in a first ecological function category and each key index in a second ecological function category through an ecological function network correlation model formed by a Bayesian network model according to the quantitative result of each key index on the environmental impact in the reservoir dam project, wherein the first ecological function category and the second ecological function category are any two different ecological function categories in the fourth number of ecological function categories; according to the correlation relationship between each key index in the first ecological function category and each key index in the second ecological function category, obtaining the interaction quantitative relationship between each key index and other ecological function categories comprises the following steps: taking each ecological function category as a node of a network, taking the interaction relation of the ecological function category and the key index as the oriented edge of the network, and establishing the interaction quantitative relation of different ecological function categories and the key index; and determining the quantitative result of the environmental influence in the reservoir dam engineering according to the key index.
2. The method of claim 1, wherein said determining whether each evidence-based question has evidence-based consequences for the environment results in a first number of evidence-based consequences for the key indicator comprises:
respectively identifying the problem content of each evidence-based problem through a pre-constructed ecological evidence framework;
traversing a plurality of evidence-based documents by adopting a cyclic analysis method to obtain document evidence corresponding to each evidence-based question according to the question content of each evidence-based question, wherein the document evidence is used for verifying whether the corresponding question content has an influence on the environment;
based on the literature evidence, it is determined whether each evidence-based question has evidence-based consequences of an impact on the environment.
3. The method of claim 1 or 2, wherein the determining a result of the key indicator on the environmental impact in the reservoir dam project based on the first number of evidence-based results comprises:
obtaining a second number of evidence-based results in the first number of evidence-based results according to the first number of evidence-based results;
and determining a quantitative result of the key index on environmental influence in reservoir dam engineering according to the proportion between the second quantity and the first quantity.
4. A method according to claim 3, wherein said determining a quantitative result of the environmental impact of the key indicator in reservoir dam engineering from the ratio between the second quantity and the first quantity comprises:
and if the ratio between the second quantity and the first quantity is greater than or equal to a specified ratio threshold, determining that the key index has serious influence on the quantitative result of the environmental influence in the reservoir dam engineering.
5. The method of claim 3, wherein said first number of polled questions includes at least one key evidence-based question for characterizing said key indicator.
6. The method according to claim 1, wherein the method further comprises:
the quantitative relationships of interactions between each key indicator and other physiological function categories are output for display.
7. The method of claim 1, wherein the extracting key metrics from the plurality of ecological functional metrics for evaluating the environmental impact of the reservoir dam project comprises:
comparing the ecological function indexes with a preset reservoir dam engineering environment influence evaluation index library, and respectively determining the standard value of each ecological function index;
And extracting key indexes for evaluating the influence of the reservoir dam engineering environment from the plurality of ecological function indexes based on the standard value of each ecological function index.
8. An identification system for environmental impact of reservoir dam engineering comprising:
the receiving module is used for receiving a target literature library, wherein the target literature library comprises a plurality of ecological function indexes which influence the river ecological functions of reservoir dam engineering;
the index screening module is used for extracting key indexes for evaluating the influence of the reservoir dam engineering environment from the plurality of ecological function indexes;
the acquisition module is used for acquiring a first number of evidence-based questions related to the key indexes;
the evidence-based module is used for determining whether each evidence-based problem has an environmental evidence-based result or not, and obtaining a first number of evidence-based results of the key indexes;
the identification module is used for determining the result of the key index on the environmental influence in the reservoir dam engineering based on the first number of evidence-based results;
the ecological function network association module is used for carrying out mutual association on key indexes in different ecological function categories through a preset ecological function network association model based on the result of each key index on the environment in the reservoir dam engineering and the ecological function category corresponding to each key index, so as to obtain the interaction quantitative relation between each key index and other ecological function categories;
The number of the key indexes is a third number, the third number corresponds to the ecological function category of the fourth number, and the ecological function categories corresponding to part of the key indexes are the same;
the ecological function network association module comprises: the third determining module is used for respectively determining the correlation relationship between each key index in a first ecological function category and each key index in a second ecological function category according to the quantitative result of each key index on environmental impact in reservoir dam engineering and through an ecological function network association model formed by a Bayesian network model by taking the fourth number of ecological function categories as network nodes, wherein the first ecological function category and the second ecological function category are any two different ecological function categories in the fourth number of ecological function categories; the ecological function network association sub-module is used for obtaining interaction quantitative relations between each key index and other ecological function categories according to the mutual association relation between each key index in the first ecological function category and each key index in the second ecological function category, and comprises the following steps: taking each ecological function category as a node of a network, taking the interaction relation of the ecological function category and the key index as the oriented edge of the network, and establishing the interaction quantitative relation of different ecological function categories and the key index; and determining the quantitative result of the environmental influence in the reservoir dam engineering according to the key index.
9. The system of claim 8, wherein the evidence-based module comprises:
the problem identification module is used for respectively identifying the problem content of each evidence-based problem through a pre-constructed ecological evidence framework;
the evidence-based sub-module is used for traversing a plurality of evidence-based documents by adopting a cyclic analysis method so as to obtain document evidence corresponding to each evidence-based problem according to the problem content of each evidence-based problem, wherein the document evidence is used for verifying whether the corresponding problem content has an influence on the environment;
and the first determining module is used for determining whether each evidence-based problem has an effect on the environment according to the literature evidence.
10. The system of claim 8 or 9, wherein the identification module comprises:
the result statistics module is used for obtaining a second number of evidence-based results in the first number of evidence-based results according to the first number of evidence-based results;
and the second determining module is used for determining the quantitative result of the key index on the environmental influence in the reservoir dam engineering according to the proportion between the second quantity and the first quantity.
11. The system of claim 10, wherein the second determination module comprises:
And the second determining submodule is used for determining that the key index has serious influence on the quantitative result of the environmental influence in the reservoir dam engineering if the ratio between the second number and the first number is larger than or equal to a specified ratio threshold value.
12. The system of claim 10, wherein said first number of polled questions includes at least one key evidence-based question for characterizing said key indicator.
13. The system of claim 8, wherein the system further comprises:
and the evaluation result display module is used for outputting the interaction quantitative relation between each key index and other physiological function categories for display.
14. The system of claim 8, wherein the index screening module comprises:
the fourth determining module is used for comparing the multiple ecological function indexes with a preset reservoir dam engineering environment influence evaluation index library and respectively determining the standard value of each ecological function index;
and the second determining module is used for extracting key indexes for evaluating the influence of the reservoir dam engineering environment from the plurality of ecological function indexes based on the standard value of each ecological function index.
15. A computer device comprising a memory and a processor, said memory and said processor being communicatively coupled to each other, said memory having stored therein computer instructions, said processor executing said computer instructions to perform the method of identifying the environmental impact of a reservoir dam project as claimed in any one of claims 1-7.
16. A computer readable storage medium having stored thereon computer instructions for causing the computer to perform the method of identifying the environmental impact of reservoir dam engineering according to any one of claims 1-7.
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